Medical suction instrument



FIG. 1 is a top perspective view of a medical suction instrument showing my new design;

FIG. 2 is a side elevation thereof;

FIG. 3 is a front elevation thereof;

FIG. 4 is a rear elevation thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a top plan view of a modified embodiment of the instrument illustrated in FIG. 1;

FIG. 7 is a top plan view of the embodiment illustrated in FIG. 1;

FIG. 8 is a cross-section taken on line 8--8 of FIG. 6; and

FIG. 9 is a cross-section taken on line 9--9 of FIG. 7. 

The ornamental design for a medical suction instrument, substantially as is shown and described. 